FIREWALL CONTROL FOR SECURE PRIVATE NETWORKS WITH PUBLIC VOIP ACCESS - Patent 1410585

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EP 1 410 585 A1

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(43)	Date of publication:
	21.04.2004 Bulletin 2004/17

(21)	Application number: 01968181.6

(22)	Date of filing: 28.08.2001

(51)	International Patent Classification (IPC)⁷: H04L 12/66

(86)	International application number:
	PCT/US2001/026752

(87)	International publication number:
	WO 2002/019644 (07.03.2002 Gazette 2002/10)

(84)	Designated Contracting States:
	AT BE CH DE FR GB LI

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Priority:

28.08.2000 US 650120

(71)	Applicants:
	Nortel Networks Limited St. Laurent,Quebec H4S 2A9 (CA) Christie, Samuel H., IV Cary, NC 27513 (US)

(72)	Inventor:
	CHRISTIE, IV, Samuel, H. Cary, NC 27513 (US)

(74)	Representative: Sommerville, John Henry et al
	Sommerville & Rushton,45 Grosvenor Road St. Albans, Hertfordshire AL1 3AW St. Albans, Hertfordshire AL1 3AW (GB)

(54)	FIREWALL CONTROL FOR SECURE PRIVATE NETWORKS WITH PUBLIC VOIP ACCESS